var HTMLHeadElement = function HTMLHeadElement() {
    //如果不能new  要抛出一个错误
    throw new TypeError("Illegal constructor");
}//构造函数
catvm.safefunction(HTMLHeadElement); //tostring 保护
//设置原型链上显示的名字***************************************************************************
Object.defineProperties(HTMLHeadElement.prototype, {
    [Symbol.toStringTag]: {
        value: "HTMLHeadElement",
        configurable: true
    }
});
// 原型指向原型父亲***************************************************************************
HTMLHeadElement.prototype.__proto__ = HTMLElement.prototype




//添加div标签
catvm.memory.htmlelements['head'] = function () {
    var head = new (function () {
    });
    head.son_ele=[];
    head.catvm_index = (catvm.domele[catvm.domele.length-1].catvm_index)+1
    head.getElementsByTagName = function (e) {
        catvm.debugger_()
        return []
    }
    head.__proto__ = HTMLHeadElement.prototype;
    catvm.domele.push(head)
    return catvm.proxy(head)
}
HTMLHeadElement=catvm.proxy(HTMLHeadElement)